Siemens ET 200pro - Page 237

Alarm, error and system messages
9.3 LED display on the power, electronic and pneumatic interface modules
ET 200pro distributed I/O system
Operating Instructions, 03/2013, A5E00335544-08
237
Note
LEDs
The following applies to the digital electronic module 4
DI / 4 DO DC 24V/0.5A:
The inputs DI
0
to DI
3
are displayed with the LEDs 0 to 3 and the outputs DQ
0
to DQ
3
are
displayed with the LEDs 4 to 7.
Status and error LEDs of analog electronic modules with CM IO 4 x M12 connection module
Table 9- 12 Status and error displays of analog electronic modules with CM IO 4 x M12 connection
module
LEDs
Meaning
Remedy
GE
Status and error
displays
On ---
Incoming diagnostic alarm
Analyze the diagnostic data.
No parameters or faulty parameters
Check the parameter settings.
Short-circuit at the encoder supply
1L+
Check the wiring.
Channel fault occurred
---
On On (red LED) Channel fault at the input/output of
channel X1, X2, X3 or X4
---